# CVE-2026-6976: Authorization Bypass Through User-Controlled Key in GitLab

> CVE-2026-6976: Authorization Bypass Through User-Controlled Key in GitLab. CVSS 3.7 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-6976
Last updated: 2026-06-17T11:01:34Z

- Published: 2026-06-11 10:20 UTC · Updated: 2026-06-17 11:01 UTC · Assigner: GitLab
- CVSS: 3.7 (CVSS 3.1) · Severity: Low · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
- EPSS: 0.16%, 5th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-639

## Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to hide changes from merge request diff views due to improper input handling of file names.

## Affected vendors and products

- GitLab: GitLab

## Tracked companies

- [GitLab](https://rewindex.com/company/gitlab.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-6976)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-6976)
- [https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/](https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/)
- [https://gitlab.com/gitlab-org/gitlab/-/work\_items/598165](https://gitlab.com/gitlab-org/gitlab/-/work_items/598165)
- [https://hackerone.com/reports/3638136](https://hackerone.com/reports/3638136)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-6976 · Markdown: https://rewindex.com/cve/CVE-2026-6976.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-6976 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:12:20.834Z